0006026: Valide email-address is recognized as invalide if wrong password typed in

Description

If you want to change your email-address in the delivery-address-form (user account) but you type in a wrong password, you will also get an invalide-mail-error, although the email-address is correctly.

See "Additional Information".

Another bug: in Azure-theme the typed in email-address is not stored!

Steps To Reproduce

1. Login
2. Go to "change delivery address"-page
3. type in other (valide) email-address
4. type in wrong password and submit form
5. you will get 2 error-messages:
- ERROR_MESSAGE_INPUT_NOVALIDEMAIL
- ERROR_MESSAGE_PASSWORD_DO_NOT_MATCH
6. another bug: in Azure-theme the typed in email-address is not stored!